Milk meter flask



FIG. 1 is a perspective view showing my new design for a milk meter flask;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom perspective view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a milk meter flask, as shown and described. 